// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_CERT_CERT_VERIFY_PROC_NSS_H_
#define NET_CERT_CERT_VERIFY_PROC_NSS_H_

#include <certt.h>

#include "net/base/net_export.h"
#include "net/cert/cert_verify_proc.h"

namespace net {

// Performs certificate path construction and validation using NSS's libpkix.
class NET_EXPORT_PRIVATE CertVerifyProcNSS : public CertVerifyProc {
public:
    CertVerifyProcNSS();

    bool SupportsAdditionalTrustAnchors() const override;
    bool SupportsOCSPStapling() const override;

protected:
    ~CertVerifyProcNSS() override;

    // Like VerifyInternal, but adds a |chain_verify_callback| to override trust
    // decisions. See the documentation for CERTChainVerifyCallback and
    // CERTChainVerifyCallbackFunc in NSS's lib/certdb/certt.h.
    int VerifyInternalImpl(X509Certificate* cert,
        const std::string& hostname,
        const std::string& ocsp_response,
        int flags,
        CRLSet* crl_set,
        const CertificateList& additional_trust_anchors,
        CERTChainVerifyCallback* chain_verify_callback,
        CertVerifyResult* verify_result);

private:
    int VerifyInternal(X509Certificate* cert,
        const std::string& hostname,
        const std::string& ocsp_response,
        int flags,
        CRLSet* crl_set,
        const CertificateList& additional_trust_anchors,
        CertVerifyResult* verify_result) override;

    using CacheOCSPResponseFromSideChannelFunction = SECStatus (*)(CERTCertDBHandle* handle,
        CERTCertificate* cert,
        PRTime time,
        const SECItem* encodedResponse,
        void* pwArg);
    const CacheOCSPResponseFromSideChannelFunction
        cache_ocsp_response_from_side_channel_;
};

} // namespace net

#endif // NET_CERT_CERT_VERIFY_PROC_NSS_H_
